CN112152399A

CN112152399A - Motor production assembling platform convenient to adjust

Info

Publication number: CN112152399A
Application number: CN202010927625.8A
Authority: CN
Inventors: 黄兰红
Original assignee: Taizhou Qijing Electromechanical Co ltd
Current assignee: Wuhan Chisuda Technology Co.,Ltd.
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-29
Anticipated expiration: 2040-09-07
Also published as: CN112152399B

Abstract

The invention relates to the technical field of motor assembly platforms, in particular to a motor production assembly platform convenient to adjust, which comprises a supporting mechanism, a driving mechanism, an adjusting mechanism, a fixing mechanism and a protection mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the driving mechanism is arranged in the supporting mechanism, the adjusting mechanism meshed with the driving mechanism is arranged in the supporting mechanism, the driving mechanism is rotated anticlockwise to move the adjusting mechanism to the side wall direction of the supporting mechanism, the angle of the adjusting mechanism is adjusted, and the assembly of different angles of parts in the motor shell is facilitated; the fixing mechanism for fixing the motor is arranged at the top of the adjusting mechanism, so that the motor is fixed during assembly, the motor is convenient to carry through the adjusting mechanism, and the assembly of parts is facilitated; the top of fixed establishment rotates and is connected with the protection machanism that is the arc structure, has realized the placing to the spare part of motor equipment on the one hand, and on the other hand has realized the protection to the motor.

Description

Motor production assembling platform convenient to adjust

Technical Field

The invention relates to the technical field of motor assembling platforms, in particular to a motor production assembling platform convenient to adjust.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M (old standard is represented by D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electric appliances or various machines, the generator is represented by a letter G in the circuit and mainly has the function of converting mechanical energy into electric energy, and the motor assembly platform is a supporting platform for assembling parts of the motor together.

At present when assembling miniature motor production the staff with the shell of motor keep flat on the surface of workstation, need carry the motor when the spare part vertical direction installation to motor housing, complex operation and motor are not fixed, rock easily when the equipment, the motor is placed and is difficult to fix motor housing and be difficult to adjust motor housing's inclination according to the needs of equipment on the platform, is unfavorable for the equipment of spare part.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a motor production assembly platform convenient to adjust.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a convenient motor production equipment platform of adjusting, includes supporting mechanism, actuating mechanism, adjustment mechanism, fixed establishment and protection machanism for support fixed to overall structure the inside of supporting mechanism rotates and is connected with the side and is fan-shaped structure adjustment mechanism, adjustment mechanism's one end extends to supporting mechanism's top, supporting mechanism's internally mounted have with mesh between the adjustment mechanism actuating mechanism, actuating mechanism's one end extends to supporting mechanism's the outside, adjustment mechanism's top center department installs and is used for fixing the motor shaft that needs the equipment fixed establishment, fixed establishment's top sliding connection has and is used for protecting, placing the spare part of equipment protection machanism.

Specifically, supporting mechanism includes fixed case, expansion joint, handle groove and door plant, adjustment mechanism rotates to be connected in the side open-ended the inside of fixed case, the top of fixed case is seted up and is the rectangle structure the expansion joint, the side of fixed case articulates there is the door plant, the side border department of door plant has seted up the handle groove.

It is specific, adjustment mechanism includes curb plate, connecting plate, top tooth, support, gear, pivot and fluted disc, the inboard welding of fixed case has the pivot, the relative rotation in surface of pivot is connected with two sides and is fan-shaped structure the curb plate, and two run through the movable port the welding has the cross-section to be the arc structure between the curb plate the connecting plate, and one of them the lateral wall welding of curb plate has the fluted disc, the fluted disc with rotate between the pivot and connect, two tops are the arc structure the top equidistance welding of curb plate has the top tooth, install relatively the top border department of fixed case support, two the relative rotation of support is connected with the gear, two the gear respectively with two sets of top tooth meshing.

Specifically, actuating mechanism includes lead screw, crank, fixed plate, mounting panel, spacing groove, gyro wheel and rack, the inside wall horizontal installation of fixed case has the mounting panel, the bottom equidistance of mounting panel is installed the gyro wheel, the lateral wall of mounting panel passes through spacing groove sliding connection has the fixed plate, the bottom horizontal welding of fixed plate have with mesh between the fluted disc the rack deviates from mounting panel one end the lateral wall of fixed plate rotates and is connected with the lead screw, the one end of lead screw with threaded connection between the lateral wall of fixed case is located the fixed case outside the tip welding of lead screw has the crank.

Concretely, fixed establishment is including placing dish, fixed orifices, support column, topshell, handle, clamp splice and pressure spring, the top center department of connecting plate has through the screw fixation the support column, the top welding of support column has place the dish, the surface center department of placing the dish has seted up and has extended to the support column is inside the fixed orifices, the lateral wall relative sliding connection of support column has the clamp splice, and two the clamp splice with relative centre gripping has two sets ofly between the support column the pressure spring, the lateral wall threaded connection of support column has the handle, the top welding of handle has and is located support column lateral wall, inner wall are down "eight" font structure the topshell, the inner wall and two of topshell the bottom of clamp splice is contradicted.

Specifically, protection machanism includes guard plate, spout, spring and arch, place the surface of dish and offer and be the loop configuration the spout, the cross-section is "T" shape structure, the lateral wall is the arc structure the guard plate, the inner wall of placing the dish is annular array and installs the spring, the end fixing of spring has the lateral wall to be the arc structure the arch, the lateral wall equidistance of guard plate is seted up and is the recess of arc structure, protruding lock is in the inside of recess.

The invention has the beneficial effects that:

(1) according to the conveniently-adjusted motor production assembling platform, the driving mechanism is arranged inside the supporting mechanism, the adjusting mechanism meshed with the driving mechanism is arranged inside the supporting mechanism, the driving mechanism is rotated anticlockwise to enable the adjusting mechanism to move towards the side wall direction of the supporting mechanism, the angle of the adjusting mechanism is adjusted, and the assembling of different angles of parts inside a motor shell is facilitated; namely: the motor shell is fixed to the top of the connecting plate through the fixing mechanism when the motor is assembled, the driving mechanism is rotated anticlockwise when the assembled shell needs to be adjusted in angle, the angle of the two side plates is adjusted by the driving mechanism, the two side plates move towards the side wall direction of the fixing box simultaneously by taking the rotating shaft as the circle center, and therefore the fixing mechanism fixed on the fixing mechanism and at the top of the connecting plate is deflected when the two side plates swing, the inclination angle of the motor shell on the fixing mechanism is adjusted, and installation of different parts inside the motor shell is facilitated; the crank of anticlockwise rotation lead screw tip has realized the lead screw at the lateral wall anticlockwise rotation of fixed box, further realization the lead screw removes to the direction of mounting panel, further realization the lead screw promotes the fixed plate and removes on the surface of mounting panel, realized the rack and rotated the fluted disc on pivot surface when the fixed plate is gliding on mounting panel surface, thereby realized rotating the curb plate with the pivot as the centre of a circle when the fluted disc pivoted, and then realized changing the inclination of connecting plate.

(2) According to the conveniently-adjusted motor production and assembly platform, the fixing mechanism for fixing the motor is arranged at the top of the adjusting mechanism, so that the motor is fixed during assembly, the motor is convenient to carry through the adjusting mechanism, and the assembly of parts is facilitated; namely: pass the inside of placing the fixed orifices on the dish with the motor shaft of motor before assembling the motor, further extend to the inside of support column, rotate the handle of support column lateral wall, realize the top shell and remove to the direction of placing the dish, and then because the inner wall of top shell is the slope setting, remove two clamp splice relative movement when the top shell removes to the direction of placing the dish, the pressure spring opens, the relative lateral wall of two clamp splice carries out the centre gripping with the motor shaft and fixes, the angle that has realized the motor casing after the angle of connecting plate changes takes place to change, do benefit to and assemble the inside spare part of motor casing, the anticlockwise rotation handle realizes two clamp splice resets after the equipment is accomplished, it can to take out the motor.

(3) According to the conveniently-adjusted motor production and assembly platform, the top of the fixing mechanism is rotatably connected with the protection mechanism in an arc-shaped structure, so that on one hand, the placement of parts assembled by the motor is realized, and on the other hand, the protection of the motor is realized; namely: the bottom of the motor casing of guard plate to the equipment can slide in the equipment motor has realized placing motor parts on the one hand, and on the other hand has realized the protection to motor housing, and the protruding recess lock at the guard plate lateral wall when pulling the guard plate has realized protecting the not equidirectional of the motor housing of equipment.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a structural schematic diagram of the overall structure of a preferred embodiment of the conveniently adjustable motor production assembly platform provided by the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the connection plate, the fixing mechanism and the protection plate shown in FIG. 2;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is a schematic view of a connection structure of the supporting mechanism, the driving mechanism and the adjusting mechanism shown in FIG. 1;

fig. 6 is an enlarged view of the structure of the portion C shown in fig. 5.

In the figure: 1. the supporting mechanism, 11, a fixed box, 12, a movable opening, 13, a handle groove, 14, a door panel, 2, a driving mechanism, 21, a screw rod, 22, a crank, 23, a fixed plate, 24, a mounting plate, 25, a limiting groove, 26, a roller, 27, a rack, 3, an adjusting mechanism, 31, a side plate, 32, a connecting plate, 33, a top tooth, 34, a support, 35, a gear, 36, a rotating shaft, 37, a fluted disc, 4, a fixing mechanism, 41, a placing disc, 42, a fixing hole, 43, a supporting column, 44, a top shell, 45, a handle, 46, a clamping block, 47, a pressure spring, 5, a protection mechanism, 51, a protection plate, 52, a sliding groove, 53, a spring, 54 and a protrusion.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the conveniently-adjusted motor production and assembly platform of the present invention includes a supporting mechanism 1, a driving mechanism 2, an adjusting mechanism 3, a fixing mechanism 4 and a protection mechanism 5, wherein the supporting mechanism 1 for supporting and fixing the whole structure is rotatably connected with the adjusting mechanism 3 with a fan-shaped side surface, one end of the adjusting mechanism 3 extends to the top of the supporting mechanism 1, the driving mechanism 2 engaged with the adjusting mechanism 3 is installed inside the supporting mechanism 1, one end of the driving mechanism 2 extends to the outside of the supporting mechanism 1, the fixing mechanism 4 for fixing a motor shaft to be assembled is installed at the center of the top of the adjusting mechanism 3, and the top of the fixing mechanism 4 is slidably connected with a protection component for protecting the assembled component, The guard mechanism 5 is placed.

Specifically, supporting mechanism 1 is including fixed case 11, expansion joint 12, handle groove 13 and door plant 14, adjustment mechanism 3 rotates to be connected in the side open-ended fixed case 11's inside, fixed case 11's top has been seted up and has been the rectangle structure expansion joint 12, fixed case 11's side articulates there is door plant 14, door plant 14's side border department has been seted up handle groove 13, fixed case 11 has realized overall structure's support, realizes also can place spare part on the surface when curb plate 31 wobbling, expansion joint 12 is two curb plate 31 provides the wobbling space, conveniently open handle groove 13 door plant 14 does benefit to right the spare part of fixed case 11 inside overhauls.

Specifically, adjustment mechanism 3 includes curb plate 31, connecting plate 32, top tooth 33, support 34, gear 35, pivot 36 and fluted disc 37, the inboard welding of fixed case 11 has pivot 36, the relative rotation in surface of pivot 36 is connected with two sides and is fan-shaped structure curb plate 31, and two run through the activity mouth 12 the welding has the cross-section to be arc structure between the curb plate 31 connecting plate 32, and one of them the lateral wall welding of curb plate 31 has fluted disc 37, fluted disc 37 with rotate between the pivot 36 and be connected, two tops are arc structure the top equidistance welding of curb plate 31 has top tooth 33, the relative installation in top border department of fixed case 11 support 34, two the relative rotation of support 34 is connected with gear 35, two gear 35 respectively with two sets of top tooth 33 meshing, pass through motor housing when assembling the motor fixing mechanism 4 is fixed to the top of connecting plate 32, anticlockwise rotation when needs carry out angle regulation to the shell of equipment actuating mechanism 2 has realized actuating mechanism 2 is with two curb plate 31 angle is adjusted, two curb plate 31 with pivot 36 is the centre of a circle simultaneously to the lateral wall direction of fixed box 11 removes, thereby has realized fixing on fixing mechanism 4 and two curb plate 31 has realized in the time of the wobbling fixing mechanism 4 takes place the skew, thereby realized right motor housing's on fixing mechanism 4 inclination is adjusted, does benefit to the installation to the inside different parts of motor housing.

Specifically, actuating mechanism 2 includes lead screw 21, crank 22, fixed plate 23, mounting panel 24, spacing groove 25, gyro wheel 26 and rack 27, the inside wall horizontal installation of fixed case 11 has mounting panel 24, the bottom equidistance of mounting panel 24 is installed gyro wheel 26, the lateral wall of mounting panel 24 passes through spacing groove 25 sliding connection has fixed plate 23, the bottom horizontal welding of fixed plate 23 have with mesh between the fluted disc 37 rack 27 deviates from the lateral wall of fixed plate 23 of mounting panel 24 one end rotates and is connected with lead screw 21, the one end of lead screw 21 with threaded connection between the lateral wall of fixed case 11, be located the fixed case 11 outside the end welding of lead screw 21 have the crank 22, anticlockwise rotation the end of lead screw 21 the crank 22 has realized the lead screw 21 is in the lateral wall anticlockwise rotation of fixed case 11, the screw rod 21 is further moved towards the mounting plate 24, the screw rod 21 pushes the fixing plate 23 to move on the surface of the mounting plate 24, the fixing plate 23 slides on the surface of the mounting plate 24, the toothed disc 37 on the surface of the rotating shaft 36 is rotated by the rack 27, the side plate 31 rotates around the rotating shaft 36 as the center of a circle while the toothed disc 37 rotates, and the change of the inclination angle of the connecting plate 32 is realized.

Specifically, the fixing mechanism 4 includes a placing disc 41, a fixing hole 42, a supporting column 43, a top shell 44, a handle 45, clamping blocks 46 and pressure springs 47, the supporting column 43 is fixed at the center of the top of the connecting plate 32 through screws, the placing disc 41 is welded at the top of the supporting column 43, the fixing hole 42 extending to the inside of the supporting column 43 is formed at the center of the surface of the placing disc 41, the clamping blocks 46 are connected to the side wall of the supporting column 43 in a relatively sliding manner, two sets of pressure springs 47 are oppositely clamped between the two clamping blocks 46 and the supporting column 43, the handle 45 is connected to the side wall of the supporting column 43 in a threaded manner, the top shell 44 located on the side wall of the supporting column 43 and having an inverted-splayed structure on the inner wall thereof is welded at the top of the handle 45, and the inner wall of the top shell 44 is abutted against the bottoms of the two clamping blocks, pass the motor shaft of motor before assembling the motor place on the dish 41 the inside of fixed orifices 42, further extend to the inside of support column 43 rotates the handle 45 of support column 43 lateral wall realizes the top shell 44 to place the direction removal of dish 41, and then because the inner wall of top shell 41 is the slope setting, top shell 41 to when placing the direction removal of dish 41 with two clamp splice 46 relative movement, pressure spring 47 opens, two the relative lateral wall of clamp splice 46 carries out the centre gripping fixed with the motor shaft, when the angle of connecting plate 32 changes the angle that has realized the motor casing changes, does benefit to the equipment to the inside spare part of motor casing, and the assembly is accomplished the back anticlockwise rotation handle 45 realizes two the clamp splice 46 resets, takes out the motor can.

Specifically, the protection mechanism 5 includes a protection plate 51, a chute 52, a spring 53 and a protrusion 54, the chute 52 having an annular structure is formed on the surface of the placement plate 41, the protection plate 51 having an inverted T-shaped structure in cross section and an arc-shaped structure in side wall, the spring 53 is mounted on the inner wall of the placement plate 41 in an annular array, the protrusion 54 having an arc-shaped structure in side wall is fixed to the end of the spring 53, the groove having an arc-shaped structure is formed in the side wall of the protection plate 51 at equal intervals, the protrusion 54 is fastened inside the groove, the protection plate 51 can be slid to the bottom of the assembled motor case when the motor is assembled, on one hand, the placement of motor parts is achieved, on the other hand, the protection of the motor case is achieved, the protrusion 54 is fastened to the groove in the side wall of the protection plate 51 when the protection plate 51 is pulled, the protection of different directions of the assembled motor shell is realized.

When the invention is used, firstly, the fixed box 11 realizes the support of the whole structure, parts can be placed on the surface while the side plates 31 swing, the movable opening 12 provides a swinging space for the two side plates 31, the door plate 14 can be conveniently opened by the handle groove 13, and the parts in the fixed box 11 can be conveniently overhauled; when the motor is assembled, the motor shell is fixed to the top of the connecting plate 32 through the fixing mechanism 4, the driving mechanism 2 is rotated anticlockwise when the angle of the assembled shell is required to be adjusted, the driving mechanism 2 is used for adjusting the angles of the two side plates 31, the two side plates 31 move towards the side wall direction of the fixing box 11 simultaneously by taking the rotating shaft 36 as the circle center, so that the fixing mechanism 4 fixed on the fixing mechanism 4 and at the top of the connecting plate 32 is shifted when the two side plates 31 swing, the inclination angle of the motor shell on the fixing mechanism 4 is adjusted, and different parts in the motor shell can be mounted conveniently; then, the crank 22 at the end of the screw 21 is rotated counterclockwise, so that the screw 21 rotates counterclockwise on the side wall of the fixed box 11, further the screw 21 moves towards the mounting plate 24, further the screw 21 pushes the fixed plate 23 to move on the surface of the mounting plate 24, the rack 27 rotates the fluted disc 37 on the surface of the rotating shaft 36 while the fixed plate 23 slides on the surface of the mounting plate 24, and therefore the side plate 31 rotates around the rotating shaft 36 while the fluted disc 37 rotates, and further the inclination angle of the connecting plate 32 is changed; before assembling the motor, a motor shaft of the motor penetrates through the inside of the fixing hole 42 on the placing disc 41 and further extends to the inside of the supporting column 43, the handle 45 on the side wall of the supporting column 43 is rotated to realize that the top shell 44 moves towards the placing disc 41, further, because the inner wall of the top shell 41 is obliquely arranged, when the top shell 41 moves towards the placing disc 41, the two clamping blocks 46 move relatively and the pressure spring 47 is opened, the opposite side walls of the two clamping blocks 46 clamp and fix the motor shaft, when the angle of the connecting plate 32 is changed, the angle of the motor shell is changed, so that the assembly of internal parts of the motor shell is facilitated, and after the assembly is completed, the handle 45 is rotated anticlockwise to realize the resetting of the two clamping blocks 46, and the motor is taken out; finally, can slide guard plate 51 to the bottom of the motor casing of equipment when assembling the motor, realized placing motor spare part on the one hand, on the other hand has realized the protection to motor housing, and protruding 54 is at the recess lock of guard plate 51 lateral wall when pulling guard plate 51, has realized protecting the not equidirectional of the motor housing of equipment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a convenient motor production equipment platform who adjusts, its characterized in that, including supporting mechanism (1), actuating mechanism (2), adjustment mechanism (3), fixed establishment (4) and protection machanism (5), be used for supporting overall structure fixed the internal rotation of supporting mechanism (1) is connected with the side and is fan-shaped structure adjustment mechanism (3), the one end of adjustment mechanism (3) extends to the top of supporting mechanism (1), the internally mounted of supporting mechanism (1) have with mesh between adjustment mechanism (3) actuating mechanism (2), the one end of actuating mechanism (2) extends to the outside of supporting mechanism (1), the top center department of adjustment mechanism (3) installs and is used for fixing the motor shaft that needs the equipment fixed establishment (4), the top sliding connection of fixed establishment (4) has and is used for protecting the spare part of equipment, The guard mechanism (5) is placed.

2. The conveniently-adjusted motor production assembly platform of claim 1, wherein: supporting mechanism (1) is including fixed case (11), expansion joint (12), handle groove (13) and door plant (14), adjustment mechanism (3) rotate to be connected in side open-ended the inside of fixed case (11), the top of fixed case (11) is seted up and is the rectangle structure expansion joint (12), the side of fixed case (11) articulates there is door plant (14), the side border department of door plant (14) has seted up handle groove (13).

3. The conveniently-adjusted motor production assembly platform of claim 1, wherein: adjustment mechanism (3) are including curb plate (31), connecting plate (32), top tooth (33), support (34), gear (35), pivot (36) and fluted disc (37), the inboard welding of fixed case (11) has pivot (36), the relative rotation in surface of pivot (36) is connected with two sides and is fan-shaped structure curb plate (31), and two run through activity mouth (12) the welding has the cross-section to be the arc structure between curb plate (31) connecting plate (32), and one of them the lateral wall welding of curb plate (31) has fluted disc (37).

4. The conveniently-adjusted motor production and assembly platform as claimed in claim 3, wherein: fluted disc (37) with rotate between pivot (36) and connect, two tops are the arc structure the welding of top equidistance of curb plate (31) has top tooth (33), install relatively at the top border of fixed case (11) support (34), two the relative rotation of support (34) is connected with gear (35), two gear (35) respectively with two sets up top tooth (33) meshing.

5. The conveniently-adjusted motor production assembly platform of claim 1, wherein: actuating mechanism (2) include lead screw (21), crank (22), fixed plate (23), mounting panel (24), spacing groove (25), gyro wheel (26) and rack (27), the inside wall horizontal installation of fixed case (11) mounting panel (24), the bottom equidistance of mounting panel (24) is installed gyro wheel (26), the lateral wall of mounting panel (24) passes through spacing groove (25) sliding connection has fixed plate (23), the bottom horizontal welding of fixed plate (23) have with mesh between fluted disc (37) rack (27).

6. The conveniently-adjusted motor production assembly platform of claim 5, wherein: deviate from mounting panel (24) one end the lateral wall of fixed plate (23) rotates and is connected with lead screw (21), the one end of lead screw (21) with threaded connection between the lateral wall of fixed case (11), be located the fixed case (11) outside the tip welding of lead screw (21) has crank (22).

7. The conveniently-adjusted motor production assembly platform of claim 1, wherein: fixed establishment (4) are including placing dish (41), fixed orifices (42), support column (43), topshell (44), handle (45), clamp splice (46) and pressure spring (47), the top center department of connecting plate (32) has through the screw fixation support column (43), the top welding of support column (43) has place dish (41), the surperficial center department of placing dish (41) has seted up and has extended to support column (43) inside fixed orifices (42), the lateral wall relative sliding connection of support column (43) has clamp splice (46), and two clamp splice (46) with relative centre gripping has two sets ofly between support column (43) pressure spring (47).

8. The conveniently-adjusted motor production assembly platform of claim 7, wherein: the lateral wall threaded connection of support column (43) has handle (45), the top welding of handle (45) has and is located support column (43) lateral wall, inner wall are down "eight" font structure top shell (44), the inner wall and two of top shell (44) the bottom of clamp splice (46) is contradicted.

9. The conveniently-adjusted motor production assembly platform of claim 5, wherein: protection machanism (5) are including guard plate (51), spout (52), spring (53) and arch (54), place the surface of dish (41) and seted up and be the loop configuration spout (52), the cross-section is "T" shape structure, the lateral wall is the arc structure guard plate (51), the inner wall of placing dish (41) is annular array and installs spring (53), the end fixing of spring (53) has the lateral wall to be the arc structure arch (54), the recess that is the arc structure is seted up to the lateral wall equidistance of guard plate (51), arch (54) lock is in the inside of recess.